/* $OpenBSD: log.c,v 1.5 2007/01/08 15:31:01 markus Exp $ */ /* * Copyright (c) 2005 H�kan Olsson. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * This code was written under funding by Multicom Security AB. */ #include <sys/types.h> #include <stdio.h> #include <string.h> #include <stdarg.h> #include <stdlib.h> #include <syslog.h> #include <errno.h> #include <time.h> #include "sasyncd.h" static char logbuf[2048]; void log_init(char *pname) { tzset(); openlog(pname, LOG_CONS | LOG_PID, LOG_DAEMON); } static void log_output(char *msg) { if (cfgstate.debug) fprintf(stderr, "%s\n", msg); else syslog(LOG_CRIT, "%s", msg); } void log_err(const char *fmt, ...) { extern char *__progname; int off = 0; va_list ap; if (cfgstate.debug) { snprintf(logbuf, sizeof logbuf, "%s: ", __progname); off = strlen(logbuf); } va_start(ap, fmt); (void)vsnprintf(logbuf + off, sizeof logbuf - off, fmt, ap); va_end(ap); strlcat(logbuf, ": ", sizeof logbuf); strlcat(logbuf, strerror(errno), sizeof logbuf); log_output(logbuf); return; } void log_msg (int minlevel, const char *fmt, ...) { va_list ap; if (cfgstate.verboselevel < minlevel) return; va_start(ap, fmt); (void)vsnprintf(logbuf, sizeof logbuf, fmt, ap); va_end(ap); log_output(logbuf); return; }